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Effect of LED Wavelength on Growth and Production of Astaxanthinin Haematococcus Pluvialis

한국키틴키토산학회지 2020년 25권 3호 p.126 ~ 133
Warren Boyd, 김기안, 전상호, 오태환, 정우혁, 정규진, Yim Sung-Kun,
소속 상세정보
 ( Warren Boyd ) - Sustainable Nutrition
김기안 ( Kim Ki-An ) - Jeonnam Bioindustry Foundation Marine Biotechnology Research Center
전상호 ( Chun Sang-Ho ) - Jeonnam Bioindustry Foundation Marine Biotechnology Research Center
오태환 ( Oh Tae-Hawn ) - Jeonnam Bioindustry Foundation Marine Biotechnology Research Center
정우혁 ( Jung Woo-Hyuk ) - Jeonnam Bioindustry Foundation Marine Biotechnology Research Center
정규진 ( Jung Kyoo-Jin ) - Jeonnam Bioindustry Foundation Marine Biotechnology Research Center
 ( Yim Sung-Kun ) - Jeonnam Bioindustry Foundation Marine Biotechnology Research Center

Abstract


Biomass production and astaxanthin accumulation in Haematococcus pluvialis were investigated under different light-emitting diode (LED) wavelengths. The maximum biomass (5.41 and 6.25 g dry weight/L) was obtained under the red LEDs (630 nm and 660 nm) with light intensity of 200 μmol m-2s-1 at day 7 after cultivation in mixotrophic media with modified Bold’s Basal Medium including sodium acetate. The highest astaxanthin content (31.4 mg/g dry weight biomass) was accumulated when incubated under red LEDs (630 nm) for 4 days by increasing the light intensity to 1,000 μmol m-2s-1. In these results, we propose an efficient way of cultivating H. pluvialis in mixotrophic media under red (630 nm) LEDs for maximum biomass production and then increasing the light intensity over 1,000 μmol m-2s-1 to induce a high level of astaxanthin content.

키워드

Haematococcus pluvialis; Microalgae; Astaxanthin; LED; Light wavelength

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